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After 56 days, a 4.0-g sample of phosphorus-32 contains only 0.25 g of isotope. Based on this data,
what is the half-life of phosphorus-32?
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Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.
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How might this scientific phenomena be explained? a paper clip floats on water.
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An unknown substance has been shown to have weak covalent bonds. which of the following is most likely a property of this substance? a. high ph b. high conductivity c. low melting point d. low flammability
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After 56 days, a 4.0-g sample of phosphorus-32 contains only 0.25 g of isotope. Based on this data,<...
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